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Table 3 Mean hemoglobin and prevalence of in non-pregnant women 15–49 years of age, by presence of sickle cell and β-thalassemia mutations Sierra Leone, 2013

From: Association between sickle cell and β-thalassemia genes and hemoglobin concentration and anemia in children and non-pregnant women in Sierra Leone: ancillary analysis of data from Sierra Leone’s 2013 National Micronutrient Survey

  na Mean Hb (g/L) p value % Anemia Risk ratio Risk ratio (95% CI)
Sickle cell
 HbAA or HbAC 231 122.4 0.598 39.4 Reference
 HbAS or HbSC 20 120.3   50.0 1.3 (0.81, 2.0)
 HbSS 4 118.5   75.0 1.9 (0.98, 3.7)
β-Thalassemia
 No 231 122.3 0.768 41.6 Reference
 Yes 24 121.3   33.3 0.80 (0.44, 1.5)
  1. a The n’s are un-weighted denominators for each subgroup